#310B4A#310B4A

#310B4A is a dark, moderate violet. Relative luminance 0.014; OKLCH L 25.4% C 0.110 H 307.6°. Best body text is #FFFFFF at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#310B4A
RGB	rgb(49, 11, 74)
HSL	hsl(276, 74%, 17%)
HSV	hsv(276, 85%, 29%)
CMYK	cmyk(33.8%, 85.1%, 0%, 71%)
CIE-LAB	lab(11.87, 30.95, -30.54)
CIE-LCH	lch(11.87, 43.48, 315.38°)
OKLab	oklab(25.42% 0.0668 -0.0868)
OKLCH	oklch(25.42% 0.11 307.6)
XYZ	xyz(2.6221, 1.3868, 6.6068)
Luminance	0.0139 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310B4A #244A0B

analogous

#110B4A #310B4A #4A0B44

triadic

#310B4A #4A310B #0B4A31

tetradic

#310B4A #4A110B #244A0B #0B444A

square

#310B4A #4A110B #244A0B #0B444A

split-complementary

#310B4A #444A0B #0B4A11

monochromatic

#12041B #12041B #310B4A #54137F #781BB5

Accessibility & contrast

On white

16.44

#310B4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#310B4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310B4A

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310B4A	#FFFFFF	#000000	##FFFFFF
##310B4A	1.00	16.44	1.28	16.44
#FFFFFF	16.44	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4C

Deuteranopia (green-blind)

#002049

Tritanopia (blue-blind)

#2D1B2A

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #310b4a;
/* rgb */ color: rgb(49, 11, 74);
/* oklch */ color: oklch(25.4% 0.110 307.6);

Tailwind

colors: {
  custom: {
    50: '#6c4f7d',
    500: '#310b4a',
    950: '#000000',
  },
}

SCSS

$custom: #310b4a;
$custom-light: #6c4f7d;
$custom-dark: #000000;

JSON

{
  "hex": "#310b4a",
  "rgb": {
    "r": 49,
    "g": 11,
    "b": 74
  },
  "hsl": {
    "h": 276.19,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.25423,
    "c": 0.10953,
    "h": 307.6
  },
  "luminance": 0.01387
}

Semantic roles & 50–950 ramp

primary

#310B4A

secondary

#4F862B

accent

#F13781

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#07020A

muted

#7A787C

Preview Lab

Preview with #310B4A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →